summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/video/megazone.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/video/megazone.c')
-rw-r--r--src/mame/video/megazone.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/src/mame/video/megazone.c b/src/mame/video/megazone.c
index 2a57af564db..94012039155 100644
--- a/src/mame/video/megazone.c
+++ b/src/mame/video/megazone.c
@@ -36,9 +36,9 @@ Changes by Martin M. (pfloyd@gmx.net) 14.10.2001:
***************************************************************************/
-PALETTE_INIT( megazone )
+void megazone_state::palette_init()
{
- const UINT8 *color_prom = machine.root_device().memregion("proms")->base();
+ const UINT8 *color_prom = machine().root_device().memregion("proms")->base();
static const int resistances_rg[3] = { 1000, 470, 220 };
static const int resistances_b [2] = { 470, 220 };
double rweights[3], gweights[3], bweights[2];
@@ -51,7 +51,7 @@ PALETTE_INIT( megazone )
2, &resistances_b[0], bweights, 1000, 0);
/* allocate the colortable */
- machine.colortable = colortable_alloc(machine, 0x20);
+ machine().colortable = colortable_alloc(machine(), 0x20);
/* create a lookup table for the palette */
for (i = 0; i < 0x20; i++)
@@ -76,7 +76,7 @@ PALETTE_INIT( megazone )
bit1 = BIT(color_prom[i], 7);
b = combine_2_weights(bweights, bit0, bit1);
- colortable_palette_set_color(machine.colortable, i, MAKE_RGB(r, g, b));
+ colortable_palette_set_color(machine().colortable, i, MAKE_RGB(r, g, b));
}
/* color_prom now points to the beginning of the lookup table */
@@ -86,14 +86,14 @@ PALETTE_INIT( megazone )
for (i = 0; i < 0x100; i++)
{
UINT8 ctabentry = color_prom[i] & 0x0f;
- colortable_entry_set_value(machine.colortable, i, ctabentry);
+ colortable_entry_set_value(machine().colortable, i, ctabentry);
}
/* characters */
for (i = 0x100; i < 0x200; i++)
{
UINT8 ctabentry = (color_prom[i] & 0x0f) | 0x10;
- colortable_entry_set_value(machine.colortable, i, ctabentry);
+ colortable_entry_set_value(machine().colortable, i, ctabentry);
}
}
@@ -102,12 +102,11 @@ WRITE8_MEMBER(megazone_state::megazone_flipscreen_w)
m_flipscreen = data & 1;
}
-VIDEO_START( megazone )
+void megazone_state::video_start()
{
- megazone_state *state = machine.driver_data<megazone_state>();
- state->m_tmpbitmap = auto_bitmap_ind16_alloc(machine, 256, 256);
+ m_tmpbitmap = auto_bitmap_ind16_alloc(machine(), 256, 256);
- state->save_item(NAME(*state->m_tmpbitmap));
+ save_item(NAME(*m_tmpbitmap));
}